1Elastic: The lead rope is strong, elastic, shock absorption and collision, comfortable upslope, won't get caught by the wheel, so your mountain bike family can enjoy a bigger ride together. 2Flexible Rope: The bicycle traction rope is flexible, flexible enough, and strong enough to absorb shock, giving you comfortable traction and riding. 3Simple Operation: The leash can be attached to a parent's saddle, through a pole to a child's bike for quick use, or around a pole for extended climbing times. 4Experience Thrill: The leash lets your child experience the thrill of mountain biking and provides extra boost when needed. 5Utilities: Bicycle tow rope gives them the free to go on big adventures, a must have kit for every family ride and make everyone happy on the road.